Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP6887481UpriorityCriticalpatent/JPH0141660Y2/ja
Publication of JPS57158586UpublicationCriticalpatent/JPS57158586U/ja
Application grantedgrantedCritical
Publication of JPH0141660Y2publicationCriticalpatent/JPH0141660Y2/ja